"All Cervidae on this certificate have been part of the herd of origin for at least two years or were natural additions to this herd. There has been no diagnosis, sign, or epidemiological evidence of CWD in this herd for the past five years"; or
"All Cervidae on this certificate originate from a CWD monitored or certified herd in which these animals have been kept for at least two years or were natural additions. There has been no diagnosis, sign, or epidemiological evidence of CWD in this herd for the past five years."
Iowa Admin. Code r. 571-104.20